Heavy Duty 1/2 Ton Hydraulic Telescopic Transmission Jack Heavy Duty 1/2 Ton Telescopic Transmission Jack Capacity: 1,000 lbs; Over All Dimension: 29" x 30" x 38" Minimum Height: 34-588" Maximum Height: 73-5/8" 1st Stage Stroke: 19-1/2"; 2nd Stage Stroke: 19-1/2"